#12658D
Closest named color: Peacock Blue (#016795). oklch(48% 0.097 236.3), rgb(18, 101, 141).
Aa
White text reads best on this color (6.41:1).
About this color
#12658D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.097 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.013 away. White text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #12658D |
| RGB | rgb(18, 101, 141) |
| HSL | hsl(200, 77%, 31%) |
| OKLCH | oklch(48% 0.097 236.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #12658D | 6.41:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #12658D | 3.27:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #12658D text on white | 6.41:1 | AA | Lc 81.5 | Fine for body text |
| #12658D text on black | 3.27:1 | AA large text | Lc -20.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A4C6DB
oklch(80.9% 0.047 235.3)
-
Step 400
400
#72A8CA
oklch(70.7% 0.076 236.9)
-
Step 500
500
#4992BC
oklch(63.1% 0.096 236.3)
-
Step 600
600
#267CA8
oklch(55.6% 0.104 235.9)
-
Step 700
700 (this color)
#12658D
oklch(48% 0.097 236.3)
-
Step 800
800
#175575
oklch(42.7% 0.081 236.2)
-
Step 900
900
#1B465E
oklch(37.6% 0.063 236.3)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#12658D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #52658F | 0.057 |
| Deuteranopia (no green cones) | #415A8C | 0.045 |
| Tritanopia (no blue cones) | #006F73 | 0.060 |
| Achromatopsia (no color) | #5F5F5F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12658D
#12658D
oklch(48% 0.097 236.3)
- #864D1F
#864D1F
oklch(47.9% 0.097 56.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #12658D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.013
- Denim #3B638C ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.034
- Ocean Blue #03719C ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.042
- Sea Blue #047495 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.050
Use #12658D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.